Facile Preparation of Poly (citric acid -co- ethylene glycol) and Poly (Tartaric acid -co- Glycerol) as a Retarder for Oil Well Cement-Reference-Cited by-同舟云学术

Facile Preparation of Poly (citric acid -co- ethylene glycol) and Poly (Tartaric acid -co- Glycerol) as a Retarder for Oil Well Cement

Published:2023-12-30 Issue:2 Volume:49.2 Page:8-22
ISSN:2411-524X
Container-title:49
language:en
Short-container-title:

Author:

A. Lami Radi¹,A. Saki Tahseen²,A. Abbood Hayder³

Affiliation:

1. Department of Chemistry, College of Science, University of Basrah, Basrah. Iraq

2. Department of Chemistry, College of Science, University of Basrah, Basrah. Iraq.

3. Department of Materials Engineering, College of Engineering, University of Basrah, Basrah, Iraq

Abstract

In petroleum processes oil and gas wells need to be cased and cemented to ensure the wellbore's stability and to divide trouble zones. To accomplish these tasks and increase the stability of a cement matrix, numerous substances are added to the cement slurry. A two green co-polymers Poly (citric acid-co-ethylene glycol) (PCCE), and Poly (Tartaric acid-co-Glycerol) (PTCG) as a cement retarder was prepared by polycondensation reaction. The prepared co-polymers were characterized by proton nuclear magnetic resonance (H1-NMR), Fourier transform infrared spectroscopy (FT-IR), and thermogravimetric analysis (TGA). Results showed that all prepared copolymers have excellent thermal stability. PCCE and PTCG copolymer shows a promising thickening time reached to 195 and 175 min compares to free cement -G (110 min) under schedule 5 (sch.5) conditions. This finding indicates the capability of copolymers to use as retarders in oil well cementing.

Publisher

College of Education for Pure Science, University of Basrah

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